George is a senior security analyst working for a state agency in Flint. His state's congress just passed a bill mandating every state agency to undergo a security audit annually. After learning…

George is a senior security analyst working for a state agency in Flint. His state's congress just passed a bill mandating every state agency to undergo a security audit annually. After learning what will be required, George needs to implement an IDS as soon as possible before the first audit occurs. The state law requires that an IDS with a "time-based induction machine" be used. What IDS feature must George implement to meet this requirement?